Isolation and characterization of a double-stranded DNA Mycovirus infecting the aquatic fungus, Rhizidiomyces

Dawe, Violet H.; Kuhn, C. W.

doi:10.1016/0042-6822(83)90114-9

Cited by 19 publications

(8 citation statements)

References 16 publications

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“…Mycoviruses with dsDNA genomes are missing from the list, but might yet be found since dsDNA viruses of water molds, now classified as protists not fungi, have been reported (Dawe and Kuhn, 1983). Mycoviruses for which three-dimensional (3D) structures have been reported are further described in "Structural features".…”

Section: Diversity and Taxonomic Considerationsmentioning

confidence: 98%

50-plus years of fungal viruses

et al. 2015

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Section: Diversity and Taxonomic Considerationsmentioning

confidence: 98%

50-plus years of fungal viruses

et al. 2015

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“…Note as a caveat that Dawe and Kuhn [109] isolated a dsDNA virus infecting Rhizidiomyces sp. that is routinely reported as a mycovirus.…”

Section: Voms Of Fungimentioning

confidence: 99%

Smaller Fleas: Viruses of Microorganisms

Hyman

Abedon

2012

Scientifica

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Life forms can be roughly differentiated into those that are microscopic versus those that are not as well as those that are multicellular and those that, instead, are unicellular. Cellular organisms seem generally able to host viruses, and this propensity carries over to those that are both microscopic and less than truly multicellular. These viruses of microorganisms, or VoMs, in fact exist as the world's most abundant somewhat autonomous genetic entities and include the viruses of domain Bacteria (bacteriophages), the viruses of domain Archaea (archaeal viruses), the viruses of protists, the viruses of microscopic fungi such as yeasts (mycoviruses), and even the viruses of other viruses (satellite viruses). In this paper we provide an introduction to the concept of viruses of microorganisms, a.k.a., viruses of microbes. We provide broad discussion particularly of VoM diversity. VoM diversity currently spans, in total, at least three-dozen virus families. This is roughly ten families per category—bacterial, archaeal, fungal, and protist—with some virus families infecting more than one of these microorganism major taxa. Such estimations, however, will vary with further discovery and taxon assignment and also are dependent upon what forms of life one includes among microorganisms.

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“…With two reported exceptions (Dawe and Kuhn, 1983; Yu et al ., 2010), all characterized mycoviruses have genomes composed of double-stranded (ds) or single-stranded (ss) RNA. In contrast to viruses of plants and animals, mycoviruses uniformly lack an extracellular phase to their replication cycle.…”

Section: Introductionmentioning

confidence: 99%

Mycoviruses, RNA Silencing, and Viral RNA Recombination

Nuss

2011

Advances in Virus Research

120

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In contrast to viruses of plants and animals, viruses of fungi, mycoviruses, uniformly lack an extracellular phase to their replication cycle. The persistent, intracellular nature of the mycovirus life cycle presents technical challenges to experimental design. However, these properties, coupled with the relative simplicity and evolutionary position of the fungal host, also provide opportunities for examining fundamental aspects of virus–host interactions from a perspective that is quite different from that pertaining for most plant and animal virus infections. This chapter presents support for this view by describing recent advances in the understanding of antiviral defense responses against one group of mycoviruses for which many of the technical experimental challenges have been overcome, the hypoviruses responsible for hypovirulence of the chestnut blight fungus Cryphonectria parasitica. The findings reveal new insights into the induction and suppression of RNA silencing as an antiviral defense response and an unexpected role for RNA silencing in viral RNA recombination.

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Isolation and characterization of a double-stranded DNA Mycovirus infecting the aquatic fungus, Rhizidiomyces

Cited by 19 publications

References 16 publications

50-plus years of fungal viruses

50-plus years of fungal viruses

Smaller Fleas: Viruses of Microorganisms

Mycoviruses, RNA Silencing, and Viral RNA Recombination

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